Finding the Fourth Proportional to 330,528.63, 494,587.67 and 305,438.07
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Solution
The fourth proportional to 330,528.63, 494,587.67 and 305,438.07 is: 457,043.32
Step by Step Solution
- Step 1: Write the proportion equation
330,528.63 : 494,587.67 = 305,438.07 : x - Step 2: Convert to fraction form
330,528.63/494,587.67 = 305,438.07/x - Step 3: Cross multiply
330,528.63x = 494,587.67 × 305,438.07 - Step 4: Simplify right side
330,528.63x = 151,065,901,843.41 - Step 5: Solve for x
x = 151,065,901,843.41/330,528.63 - Step 6: Final answer
x = 457,043.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.